Adil AYDIN, Nizamettin ATAOĞLU, Canan KANT

Erzurum ve Rize yöresi toprak örneklerine uygulanan farklı dozlardaki bor ve fosforun mısır (Zea mays)'ın kuru madde miktarı ve mineral içeriğine etkisi

Bu çalışmada, farklı dozlarda uygulanan bor (0; 0,5; 1,0; 2,0 ve 4,0 ppm) ve fosfor (0; 20; 40 ve 80 ppm)'un sera koşullarında yetiştirilen mısır bitkisinin gelişmesine, mineral madde içeriğine etkisi ile bor ve fosfor beslenmesi incelenmiştir. Araştırma sonuçlarına göre, uygulanan bor ve fosfor dozu arttıkça mısır bitkisinin N, Ca, Mg, Fe, .Mn, Zn ve Cu çelikleri genel olarak azalırken, P ve B içerikleri artmıştır. Bo ve Po dozlarında noksanlık, B* ve P3 dozlarında da toksitite belirtileri görülmüş, uygulanan fosfor dozu arttıkça bor toksititesî azalmıştır. Genel olarak Erzurum yöresi toprak örneğinde yetiştirilen bitkilerde makro, Rize yöresi toprak örneğinde yetiştirilen bitkilerde de rrtikro elementlerin miktarı daha yüksek bulunmuştur.

Effect of boron and phosphorus application on the growth and mineral content of corn in Erzurum and Rize soils

The objective of this study was to determine the effect of boron (0; 0,5; 1,0; 2,0 and 4,0 ppm) and phosphorus (0; 20; 40 and 80 ppm) applications plant growth and mineral matter content of corn-plant under greenhouse conditions. Results indicated thatN, Ca, Mg, Fe, Mn, Zn and Cu content of corn plant generally decreased with increasing rates of B and P application, but P and B content increased. B and P content of plant was not sufficient at Bo and Po, but B4 and P3 doses caused toxicity, and P application was alleviated B toxicity in plant. Macro element content of plant grown in Erzurum soils was higher than those of Rize soils. In contrast micro element content was higher in plant grown in Rize soils.

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